Sovereign alternative to Calendly, Cal.com Cloud

cal.diy managed, hosted in Europe

Open-source appointment scheduling, operated for you in Europe. Your availability on your own domain, white-labelled, with no data sent overseas.

Hosted in Europe
No transfer outside the EU
100% open-source
cal.diy managed, sovereigncal.diyopen-source softwaredeployed & managedHosted in Europeencrypted, backed up, monitoredre-internalizable anytime

What the managed service covers

cal.diy handles your bookings, from 1-1 to round-robin. Bunker hosts it in Europe, on your domain and under your brand.

Deployment and updates

We install, configure and keep the latest stable version up to date. You have no server to administer.

Encrypted backups

Daily encrypted backups, kept in Europe. A restore is one ticket away.

Monitoring and security

Monitoring, security patches and firewall handled continuously by our team.

Human support

A team that answers on software it operates itself.

  • 1-1, group, collective, round-robin event types
  • Google, Office365, CalDAV, Apple sync
  • Email, SMS, WhatsApp reminders and team pages
  • White-label on your own domain

Hosted in Europe, outside US jurisdiction

Calendly processes your prospects’ data and your calendar in the United States. Hosted in Europe, cal.diy keeps your bookings and contacts on the continent, on your own domain.

  • Servers physically in Europe, operated by a European company.
  • A European company, outside the scope of the US CLOUD Act and FISA.
  • No subcontracting to a US hyperscaler.
  • Re-internalizable: you can bring the service back onto your own servers.

Frequently asked questions

Which booking types are supported?

1-1, group, collective and round-robin, with team pages. Reminders go out by email, SMS and WhatsApp.

Does it sync with my calendar?

Yes: Google, Office 365, CalDAV and Apple. All white-labelled on your domain.

Where is the data hosted?

On European servers operated by Bunker. Your booking data stays on the continent.

Deploy cal.diy in Europe

We handle hosting, updates and backups. You keep control of your data, and the ability to bring everything back in-house whenever you decide.